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Finding the Third Proportional to 593,074 and 917,979

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Solution

The third proportional to 593,074 and 917,979 is: 1,420,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,074 : 917,979 = 917,979 : x
  2. Step 2: Convert to fraction form
    593,074/917,979 = 917,979/x
  3. Step 3: Cross multiply
    593,074x = 917,979 × 917,979
  4. Step 4: Simplify right side
    593,074x = 842,685,444,441
  5. Step 5: Solve for x
    x = 842,685,444,441/593,074
  6. Step 6: Final answer
    x = 1,420,877.40

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.